rhizocarp

n. a plant with a perennial root but stems that wither.
Etymology: RHIZO- + Gk karpos fruit

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rhīˈzocarp noun

1. (Gr karpos fruit) a water fern or heterosporous fern

2. A plant with sporangia on rootlike processes

3. A perennial herb

4. A plant fruiting underground

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Main Entry: ↑rhizo-